Question

in which layer of the earth does the motion of the convection currents drive plate movement?
mantle
outer core
inner core
lithosphere

Explanation:

To determine the layer where convection currents drive plate movement, we recall Earth's structure: The mantle is semi - molten (asthenosphere part) and convection currents here move the lithospheric plates. The outer core is liquid (for magnetic field), inner core is solid, and lithosphere is the rigid plate layer, not where convection occurs. So the mantle has convection currents driving plate motion.

Answer:

A. mantle